CN103439906A - Signal transformation and transmission automatic control type energy-saving control device - Google Patents
Signal transformation and transmission automatic control type energy-saving control device Download PDFInfo
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- CN103439906A CN103439906A CN2013103850785A CN201310385078A CN103439906A CN 103439906 A CN103439906 A CN 103439906A CN 2013103850785 A CN2013103850785 A CN 2013103850785A CN 201310385078 A CN201310385078 A CN 201310385078A CN 103439906 A CN103439906 A CN 103439906A
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Abstract
The invention discloses a signal transformation and transmission automatic control type energy-saving control device which mainly comprises a set of signal ports, input signal level switch modules, input monitoring modules, output modules and a working state dispatching exchange, wherein the signal ports are connected with different signal sources respectively, digital coding is carried out on a signal on each port connected with a corresponding signal port by the signal port through a corresponding level switch module and a corresponding input monitoring module, and then the coded signals are stored in an input data cache region module of the working state dispatching exchange, and the working state dispatching exchange sends data used for controlling the input data cache region module and acquired from input data cache regions to the output modules. The signal transformation and transmission automatic control type energy-saving control device achieves decentralized control and centralized management of complicated and diversified automation equipment and enables all electrical equipment to be connected into a uniform platform.
Description
Technical field
The present invention relates to a kind of automatic control technology.Particularly relate to a kind of device of multiple different automatic control protocol, a large amount of automatic equipments being unified to centralized management.
Background technology
Along with the raising of the gentle application of Automatic-control water, all electrical equipments are realized to remote auto control becomes megatrend.Yet the diversity of equipment has caused the difficulty of networking.
At present, automatically control the market upper, various communication protocol: BACnet is arranged, LonTalk, EIB, RS-232, RS485/422, MSTP, RTU, ASCII is innumerable.The field engineer needs one all automatic control equipment unifications can be included in to the instrument that a upper bit platform is managed concentratedly.
Product in the past, the seven layer model of the OSI Internet protocol of recommending with reference to IOS, in the Physical layer of communication, be all by level conversion, realizes interconnecting of different standard communication protocols.Such as, the level of RS232 is exactly positive and negative 10V, and the level of R485 is exactly positive and negative 5V or positive and negative 3V, and the EIB bus is loading wave on current supply circuit, but the clearly definition of pair signal amplitude is also arranged.
As: on the electromechanical equipment host computer market application more, the complex structure of main frame, action need professional person.Electromechanical equipment is included the mode of automatic building control system in, at present the main communication Protocol Conversion gateway that adopts the former producer of main frame.
The communication gate of electromechanical equipment belongs to optional component, needs payment in addition to buy.Yet electromechanical equipment will normally move, must be equipped with control panel.By on-the-spot control panel, the client realizes daily opening, shut down, and safeguards, tests, and makes an inventory the work such as host data.
The electromechanical equipment main frame must possess a main control circuit board, claims again the equipment master control board.This each producer of piece circuit board, the name of different model product are not quite similar, yet logic function is consistent: main control system, with all relevant devices of unit, communicate by letter.
The general interface of master control board is respectively Port01:Field Bus, is on-the-spot interface, field equipment connecting and sensor, as: relay and relevant contacts, contactor and relevant contacts, sensor (temperature, humidity, pressure, flow, electric current, voltage etc.); Port02: protocol interface, by the proprietary protocol of producer, with host computer, communicate by letter; Port03: panel interface, connect on-the-spot control panel, accept instruction from control panel, transmit data to control panel.
Port03 is the core communication interface.Data on this interface can realize the work such as all regular jobs of main frame and data acquisition.Therefore, when we carry out the intelligent storage forward process to the data of this interface, just can realize most at Port02: the function realized on protocol interface.
And for example: the management and control technology of described energy conservation adopts loop control theory, by sensor, gathers related data (as: the inside and outside temperature in family, humidity, the interior CO2 concentration of buildings etc.).Video camera by gateway and public domain utilizes human detection, recognition technology, personnel's variation in the dynamically recording buildings in real time, by the sampling of multifunctional self-regulating protocol conversion apparatus, as the mathematical model of feeding back and set in advance, compare, according to comparative result, dynamically control in real time, the various kinds of equipment operation of central air conditioner system, realize cooling on demand, guarantee the balance of the output of low-temperature receiver energy and air conditioning terminal demand.1. automatically adjust handpiece Water Chilling Units work operation conditions, dynamically adjust refrigeration host computer chilled water leaving water temperature, adjust the rotating speed of freezing (but) water pump, improve the operational efficiency of consumer; 2. intelligent decision, control are opened, are closed end-equipment or adjusts rotation speed of fan (the monitoring personnel change, CO2 concentration etc.); 3. set up workstation, the logout/report printing of completion system automatically, by the various parameters of the communication interface acquisition system on generator set controller, show the inner parameter of unit record on computers.The register system event at any time of perfect alarming and managing, display alarm information and source, convenient operation the person process timely and effectively, ensure unit operation safety, save the office land used, realize unmanned, save operator on duty's wage and correlative charges, improve the estate management level comprehensively.Can under the prerequisite that does not affect personnel's comfort level, save active power and the reactive power of all kinds of consumers of central air conditioner system, reach electric power and control and electric energy saving.
Above technical scheme realizes, in the situation that need not former producer provide gateway and main-machine communication, researches and develops one and all automatic control equipment unifications can be included in to one to go up the instrument that bit platform managed concentratedly be very important.
Summary of the invention
The purpose of this invention is to provide a kind of automatic control signal conversion and send energy-saving control apparatus, to solve, complicated and diversified automation equipment are carried out to decentralised control, centralized management, all electrical equipments are connected into to the technical matters of a unified platform.
In order to realize the foregoing invention purpose, the technical solution adopted in the present invention is as follows:
A kind of automatic control signal conversion sends energy-saving control apparatus, mainly comprises: module, output module and duty dispatcher are intercepted in one group of signal port, incoming signal level modular converter, input; Wherein, the main functional modules of duty dispatcher has input data buffer area, output data buffer area and output signal that device is set; Described output module is a high speed electronic switch circuit; One group of signal port connects respectively different signal sources, each signal port is intercepted module by each self-corresponding level switch module and input respectively, after signal on connected port is carried out to numerical coding, deposit the input data buffer area module of duty dispatcher in; Described duty dispatcher will be controlled obtaining from the input data buffer area of output data buffer area module, or the data of being write direct by the duty dispatcher mail to respectively each output module; The control end of each output potential amplitude of described duty dispatcher, respectively with each separately independently output module be connected; Described output module is connected with signal port.
The signal forwarding mechanism of described each signal end comprises: each signal end all will have the sending and receiving two states, and the state of each signal end can be arbitrarily made with some states as required, and redirect with good conditionsi in above-mentioned each state.
Advantage of the present invention and good effect are as follows: the present invention has solved the problem that any electronic product can interconnect effectively effectively, the digital signal that the defeated the present invention of changing into of the digital signal of different amplitudes can be able to be identified, be kept in " the input data buffer area " in " duty dispatcher " of the present invention, in order to using intactly.As: the devices communicating of some producers adopts self-defining level value, some product needs on detection line whether to have signal when communication again, also the product of some producer detection line carrier case or adopt other means to detect not, send energy-saving control apparatus by automatic control signal conversion of the present invention and can realize the function interconnected between these products.
The accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present invention.
Fig. 2 is that the present invention is applied in the schematic diagram in tele-control system.
Fig. 3 is the programmed logic figure of the full port idle condition of the present invention.
Fig. 4 is the program circuit that port one of the present invention sends state.
Fig. 5 is logical flow chart of the present invention.
Fig. 6 be the present invention online/commutation circuit rolls off the production line
Fig. 7 is that line signal of the present invention is intercepted schematic diagram
Fig. 8 is that reference voltage of the present invention obtains circuit theory diagrams.
Fig. 9 is high speed electronic switch circuit diagram of the present invention.
Figure 10 is protocol converter software logic figure of the present invention.
Embodiment
The electric circuit constitute of the present invention is referring to Fig. 1, comprise that signal port 1, signal port 2, signal port 3, incoming signal level modular converter 1, incoming signal level modular converter 2, input intercept that module 1, input are intercepted module 2, module 3, output module 1, output module 2 are intercepted in input,, the parts such as output module 3 and duty dispatcher.Wherein, the duty dispatcher is exactly single-chip microcomputer, and its main functional modules has: the input data buffer area, and the output data buffer area, output signal arranges the functional modules such as device.
Automatic control signal conversion shown in Fig. 1 sends energy-saving control apparatus provides three interface: Com01, connects the Port03 of original equipment master control board: panel interface, Com02, original control panel of connection original equipment; Com03, connect third party's smart machine, realizes the remote monitoring to existing equipment, realizes the function of whole original control panels.
The conversion of automatic control signal sends the function that energy-saving control apparatus is realized:
1. circuit switching: receive whole Port03 at Com01: the data of panel interface all are forwarded to Com02 and Com03 in real time.
2. receive the data of whole former control panels at Com02, all be forwarded in real time Com01 and Com03.
3. when receiving the signaling of third party's smart machine, intelligent decision: if need to forward Com01, close Com02 (forbidding that Com02 signals), signaling is forwarded to Com01 simultaneously, after signaling distributes, again recover the Com02 function.
4. when receiving certain special instruction of Com02 (can be self-defined voluntarily by the client), force revert Com02 function, Com03 forbids sending, and can only intercept, and can guarantee like this first priority of former control panel.
5.Com01/Com02 electric property may be different from Com3, the present invention realizes the conversion of electric property and agreement.
The automatic control of realization to polytype electromechanical equipment, can realize protocol conversion, reads the operational factor of dynamo-electric device Host unit, can upload to the upper workstation of far-end, realizes the data storage on host computer, analyze.And can with the interaction of main frame unit, realize Long-distance Control.
At port one, be designed with separately independently output module on port 2, be respectively output module 1 and output module 2, these two modules are designed to the module that can regulate, thereby realize when connecting different equipment, amplitude that can the regulation output signal, thus realize and distinct device interconnected.
Adjusting to output module, be designed with " output signal arranges device ", and this arranges the instruction that device can be accepted " duty dispatcher ", makes the adjusting of output signal can be more convenient.
Signal forwarding mechanism for 3 ports.For port one, port 2,3 three ports of port, all will have the sending and receiving two states, is exactly 6 states altogether, the IDLED state that also has 3 ports all to receive like this.
Merge, in " in the duty dispatcher " of the present invention, only have five kinds of states: A.3 port entirely listening, B. port one and port 2 intercept; Port 3 sends, and C. port 2 and port 3 are intercepted, and port one transmission, D. port one and port 3 are intercepted, and port 2 sends.E. add the full Idle state that 3 ports all receive.Steering logic of the present invention, the redirect of having ready conditions in these five kinds of states exactly, thereby realize that the System Fault Tolerance performance is strong, forward reliable, the characteristics such as speed is fast.
For port one and port 2, be designed with and save mechanism from damage, in other words, when Loss of power failure appears in this equipment, port one and port 2 direct circuits can be communicated with, thereby reduce equipment failure, cause damage.
Referring to Fig. 2, the invention provides three interface: Com01, connect the Port03 of original equipment master control board: panel interface, Com02, original control panel of connection original equipment; Com03, connect third party's smart machine, realizes the remote monitoring to existing equipment, realizes the function of whole original control panels.The automatic control of realization to polytype electromechanical equipment, can realize protocol conversion, reads the operational factor of dynamo-electric device Host unit, can upload to the upper workstation of far-end, realizes the data storage on host computer, analyze.And can with the interaction of main frame unit, realize Long-distance Control.
Following several state is arranged on programmed logic of the present invention.
Equipment state, 5 kinds:
A.3 a port is being listened entirely, is depicted as " all port free time " state in the process flow diagram of Fig. 3,
B. port one and port 2 are intercepted; Port 3 sends, and is depicted as " port one reception " state in process flow diagram, and now the data of port 3 are only made a copy for to port one.
D. port one and port 3 are intercepted, and port 2 sends.Be depicted as " port 3 receives " state in process flow diagram,
Port status: high level state, low level state, idle condition
The receiving port state: port one receives, and port 2 receives, and port 3 receives.
Programming system passes through constantly to detect the various combination state of above-mentioned various states, thereby carries out different actions.And topmost logic state is exactly 5 kinds above-mentioned " equipment states ".Procedure subject is mainly these 5 kinds of state work, redirect in this 5 state.
When the current device state is " full port idle condition ", the steering logic of program is as Fig. 3.When the current device state is " port one transmission ", program flow diagram is as Fig. 4.
Sum up, briefly, logic flow is as Fig. 5.
Such forwarding logic can guarantee:
1). when 3 ports of the present invention do not connect miscellaneous equipment, the present invention is in treating forwarding state.
2). when the present invention only has port one access miscellaneous equipment, for all information of port one, do not process.
3). when the present invention's ports having 2 access miscellaneous equipment, linear speed is by the data retransmission port one of port 2 and port 3 in real time
4). when the present invention's ports having 3 access miscellaneous equipment, linear speed is by the data retransmission port one of port 3 in real time
5). when the present invention only has port one, port 2 to be connected with miscellaneous equipment, can make port one, the normal mutual exchange message of port 2, communication is normal.
6). when the present invention only has port one, port 3 access miscellaneous equipment, port one and port 3 can not proper communications.
7). when the present invention's ports having 2, port 3 access miscellaneous equipment, port 2 can just be communicated by letter with port 3.
The signal of port one and port 2, Physical layer is identical with the data link layer feature, and different from Physical layer, the data link layer feature of port 3.
Such design, can meet different application scenarioss and demand, and record is lived, and fault freedom is good.
The Important Circuit that the present invention realizes reaches explanation for example:
1. online/commutation circuit that rolls off the production line, referring to Fig. 6.This circuit string is in the circuit of signal port, and its break-make relay is connected with the control end of single-chip microcomputer.This bridge equipment when outage, due to the effect of Relay, SA directly and HA link.SB directly is connected with HB.
2. line signal is intercepted circuit, referring to Fig. 7.During the work of this bridge, the input signal of former this circuit of slave signal wire A access SA().Former slave signal wire B access SB.VRAH is the reference voltage of Slave machine A line, and this reference voltage obtains circuit by reference voltage and provides, and is set as 3.5v in this circuit.
SA and VRAH are after comparer lm319, as SA > during 3.5v, output RSAH=high level, input mcu RB5, mean that Slave machine A line sending out a high level.When SA<3.5v, output RSAH=low level, input mcu RB5, mean that Slave machine A line is at non-high level.
Equally, similar with SA, another category is arranged like circuit.SA and VRAI(are set to 1.0v) by LM319, compare, as SA > and during 1.0v, the RSAI=high level, input mcu RB4, mean that Slave machine A line sending out low level non-.When SA<1.0v, the RSAI=low level, input mcu RB4, mean that Slave machine A line sending out a low level.
Above, establishing high level is 1, and low level is 0, has:
| RB5(RSAH) | High | Low | Low | High |
| RB4(RSAI) | High | Low | High | Low |
| SA | High | Low | Not busy | Impossible (mistake) |
3, reference voltage obtains circuit, referring to Fig. 8.By regulating the R65 resistance value, can obtain different reference voltages, thereby realize the transformation of different electric index signals by this protocol converter.The reference voltage of this circuit is output as line signal and intercepts circuit and high speed electronic switch circuit the reference voltage input is provided.
4, high speed electronic switch, referring to Fig. 9.The 4066th, high speed electronic switch, pin13 is Ctrl (control end), connects the single-chip processor i/o mouth, receives the identification high level signal that single-chip microcomputer sends, and pin2 is the reference voltage adjustable side, and pin1 is output level, connects signal port.During high level, pin1-2 is communicated with, and realizes on the line the driving voltage of VTAI.
Protocol converter software logic figure is referring to Figure 10.
Characteristics of the present invention, can do arbitrarily and adjust signal level exactly.As everyone knows, the transmission of digital signal, the combination variation by " 0 " one state shows exactly, yet in actual applications, the definition difference of the product of different manufacturers to " 0 " one state level, just directly cause the equipment of different manufacturers not intercom.If change the level of " 0 " one state, it is not sophisticated technology, but the characteristics of this product are exactly can be (level and smooth in the scope of setting, infinitely dynamic) adjust level state, the present invention has just had versatility like this, can adapt to more producers product.
Another characteristics of the present invention, be exactly for the digital signal on communication line, except " 0 " one state is provided, also provide a third state, be expressed as " idle condition " in instructions, the voltage levvl of this state in the present invention equally as required refinement really regulate.Because in communication line, if only have two kinds of level, can't show idle condition.This third state, application was also arranged in the past, but because there is a this third state, again because there are skimble-scamble actual conditions in each above-mentioned producer to the level value definition of the state on communication line, the dynamic adjustments of the present invention to this third state, just can adapt to interconnecting of more products.
This programme can be applied in any such application scenarios:
More complicated field apparatus is arranged, be combined into the automatically working system of specific function, to these field apparatus work group, former producer provides control panel.Need to be by an Integrated System Platform of the unified access of these automation equipment work group.For example: frequency converter, water system, sewage disposal system, electromechanical equipment host computer system, central air conditioner main machine etc.
Claims (2)
1. an automatic control signal conversion sends energy-saving control apparatus, it is characterized in that, mainly comprises: module, output module and duty dispatcher are intercepted in one group of signal port, incoming signal level modular converter, input; Wherein, the main functional modules of duty dispatcher has input data buffer area, output data buffer area and output signal that device is set; Described output module is a high speed electronic switch circuit; One group of signal port connects respectively different signal sources, each signal port is intercepted module by each self-corresponding level switch module and input respectively, after signal on connected port is carried out to numerical coding, deposit the input data buffer area module of duty dispatcher in; Described duty dispatcher will be controlled obtaining from the input data buffer area of output data buffer area module, or the data of being write direct by the duty dispatcher mail to respectively each output module; The control end of each output potential amplitude of described duty dispatcher, respectively with each separately independently output module be connected; Described output module is connected with signal port.
2. a kind of automatic control signal conversion according to claim 1 sends energy-saving control apparatus, it is characterized in that, the signal forwarding mechanism of described each signal end comprises: each signal end all will have the sending and receiving two states, the state of each signal end can be arbitrarily made with some states as required, and redirect with good conditionsi in above-mentioned each state.
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| CN201310385078.5A CN103439906B (en) | 2013-08-29 | 2013-08-29 | A kind of signal conversion transmitting apparatus |
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| CN201310385078.5A CN103439906B (en) | 2013-08-29 | 2013-08-29 | A kind of signal conversion transmitting apparatus |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1229683A2 (en) * | 1995-02-06 | 2002-08-07 | Adc Telecommunications, Inc. | Upstream synchronisation in a multi-point to point communications system |
| CN1379567A (en) * | 2002-05-20 | 2002-11-13 | 梁宝明 | Control system for multimedia device and electric appliances |
| CN1952679A (en) * | 2005-10-17 | 2007-04-25 | 同济大学 | Wireless transfer system and method for realizing locator information of vehicle-carrying |
| CN102053942A (en) * | 2010-12-02 | 2011-05-11 | 西北工业大学 | Direct interface method of military standard-1553B (MIL-STD-1553B) bus and high-speed intelligent unified bus |
| CN102196002A (en) * | 2010-03-17 | 2011-09-21 | 同济大学 | Data-stream-communication-based network control system |
-
2013
- 2013-08-29 CN CN201310385078.5A patent/CN103439906B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1229683A2 (en) * | 1995-02-06 | 2002-08-07 | Adc Telecommunications, Inc. | Upstream synchronisation in a multi-point to point communications system |
| CN1379567A (en) * | 2002-05-20 | 2002-11-13 | 梁宝明 | Control system for multimedia device and electric appliances |
| CN1952679A (en) * | 2005-10-17 | 2007-04-25 | 同济大学 | Wireless transfer system and method for realizing locator information of vehicle-carrying |
| CN102196002A (en) * | 2010-03-17 | 2011-09-21 | 同济大学 | Data-stream-communication-based network control system |
| CN102053942A (en) * | 2010-12-02 | 2011-05-11 | 西北工业大学 | Direct interface method of military standard-1553B (MIL-STD-1553B) bus and high-speed intelligent unified bus |
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